Q. Which of the following is not found in iron-carbon equilibrium diagram ?

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Q. Which of the following metals can not be extracted by pyrometallurgical process from its sulphide ore?

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Q. Nitrogen compounds are not used in the manufacture of

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Q. Stellite is a trade name for the

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Q. Needles are produced by

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Q. High __________ of cast iron makes it suitable for use in machine beds.

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Q. Which of the following alloying elements reduces the formation of iron sulphide in steel ?

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Q. In age-hardenable alloys, maximum ductility is obtained

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Q. Prandtl mixing length in turbulent flow signifies the

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Q. Magnesium addition to cast iron increases its

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Q. Aromatics are desired constituents of

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Q. Galvanic corrosion

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Q. Increasing the temperature of a material makes it

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Q. Which of the following absorbs maximum heat in a high pressure boiler ?

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Q. The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x^0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge)

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Q. Which of the following is capable of acting both as an acid flux as well as a basic flux in the metal extraction from its ore ?

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Q. Which is the most suitable joint for the pipes, with are laid submerged under water, where the bottom of the river bed is uneven ?

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Q. Floating control action

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Q. Boiler rating is normally done in terms of

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Q. The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

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